brw_gs_state.c File Reference

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Functions
static void	upload_gs_unit (struct brw_context *brw)
Variables
struct brw_tracked_state	brw_gs_unit

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Function Documentation

static void upload_gs_unit

(

struct brw_context *

brw

)

[static]

Definition at line 42 of file brw_gs_state.c.

References align(), brw_cache_data(), BRW_DEBUG, BRW_FLOATING_POINT_NON_IEEE_754, BRW_GS_UNIT, brw_context::cache, thread3::const_urb_entry_read_length, thread3::const_urb_entry_read_offset, DEBUG_STATS, thread3::dispatch_grf_start_reg, thread1::floating_point_mode, thread0::grf_reg_count, brw_context::gs, thread0::kernel_start_pointer, brw_gs_unit_state::max_threads, brw_context::nr_gs_entries, brw_gs_unit_state::nr_urb_entries, brw_context::prog_active, brw_context::prog_data, brw_context::prog_gs_offset, thread1::single_program_flow, brw_context::state_gs_offset, brw_gs_unit_state::stats_enable, brw_gs_unit_state::thread0, brw_gs_unit_state::thread1, brw_gs_unit_state::thread3, brw_gs_unit_state::thread4, brw_vs_prog_data::total_grf, brw_context::urb, brw_gs_unit_state::urb_entry_allocation_size, thread3::urb_entry_read_length, thread3::urb_entry_read_offset, brw_vs_prog_data::urb_read_length, and brw_context::vsize.

{
   struct brw_gs_unit_state gs;

   memset(&gs, 0, sizeof(gs));

   /* CACHE_NEW_GS_PROG */
   if (brw->gs.prog_active) {
      gs.thread0.grf_reg_count =
         align(brw->gs.prog_data->total_grf, 16) / 16 - 1;
      gs.thread0.kernel_start_pointer = brw->gs.prog_gs_offset >> 6;
      gs.thread3.urb_entry_read_length = brw->gs.prog_data->urb_read_length;
   }
   else {
      gs.thread0.grf_reg_count = 0;
      gs.thread0.kernel_start_pointer = 0;
      gs.thread3.urb_entry_read_length = 1;
   }

   /* BRW_NEW_URB_FENCE */
   gs.thread4.nr_urb_entries = brw->urb.nr_gs_entries;
   gs.thread4.urb_entry_allocation_size = brw->urb.vsize - 1;

   gs.thread4.max_threads = 0; /* Hardware requirement */

   if (BRW_DEBUG & DEBUG_STATS)
      gs.thread4.stats_enable = 1;

   /* CONSTANT */
   gs.thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754;
   gs.thread1.single_program_flow = 1;
   gs.thread3.dispatch_grf_start_reg = 1;
   gs.thread3.const_urb_entry_read_offset = 0;
   gs.thread3.const_urb_entry_read_length = 0;
   gs.thread3.urb_entry_read_offset = 0;


   brw->gs.state_gs_offset = brw_cache_data( &brw->cache[BRW_GS_UNIT], &gs );
}

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Variable Documentation

struct brw_tracked_state brw_gs_unit

Initial value:

 {
   .dirty = {
      .brw   = ( 0x40000  |
                 0x10000 ),
      .cache =  (1<<BRW_GS_PROG) 
   },
   .update = upload_gs_unit
}

Definition at line 83 of file brw_gs_state.c.

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